#include<bits/stdc++.h>
using namespace std;
int n,t[100001],a[100001],cnt,lst;
signed main()
{
	freopen("duel.in","r",stdin);
	freopen("duel.out","w",stdout);
	cin>>n;
	for(int i=1,x;i<=n;i++) cin>>x,t[x]++;
	for(int i=1;i<=100000;i++)
		if(t[i]) a[++cnt]=t[i];
	lst=a[1];
	for(int i=2;i<=cnt;i++)
		if(lst<=a[i]) lst=a[i];
	cout<<lst;
	return 0;
}
